setup-disk: add raidmodules to /etc/modules if needed

setup-disk.in

@@ -564,12 +564,20 @@ setup_var() {
 	rmdir /.var
 
 	/etc/init.d/syslog --quiet restart
+	setup_mdadm_conf
 }
 
 setup_mdadm_conf() {
+	local mods= mod=
 	if [ -n "$USE_RAID" ]; then
 		mdadm --detail --scan > /etc/mdadm.conf
 		rc-update --quiet add mdadm-raid boot
+		mods=$(awk '/^raid/ {print $1}' /proc/modules)
+		for mod in $mods; do
+			if ! grep -q "^$mod" /etc/modules; then
+				echo $mod >> /etc/modules
+			fi
+		done
 	fi
 }